Home / 696,631,591.64-961,135,166.58-395,167,218.86

Finding the Fourth Proportional to 696,631,591.64, 961,135,166.58 and 395,167,218.86

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Solution

The fourth proportional to 696,631,591.64, 961,135,166.58 and 395,167,218.86 is: 545,207,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,631,591.64 : 961,135,166.58 = 395,167,218.86 : x
  2. Step 2: Convert to fraction form
    696,631,591.64/961,135,166.58 = 395,167,218.86/x
  3. Step 3: Cross multiply
    696,631,591.64x = 961,135,166.58 × 395,167,218.86
  4. Step 4: Simplify right side
    696,631,591.64x = 379,809,110,725,961,472
  5. Step 5: Solve for x
    x = 379,809,110,725,961,472/696,631,591.64
  6. Step 6: Final answer
    x = 545,207,991.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.